1 /*
2  **
3  ** Copyright 2008, The Android Open Source Project
4  **
5  ** Licensed under the Apache License, Version 2.0 (the "License");
6  ** you may not use this file except in compliance with the License.
7  ** You may obtain a copy of the License at
8  **
9  **     http://www.apache.org/licenses/LICENSE-2.0
10  **
11  ** Unless required by applicable law or agreed to in writing, software
12  ** distributed under the License is distributed on an "AS IS" BASIS,
13  ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  ** See the License for the specific language governing permissions and
15  ** limitations under the License.
16  */
17 
18 #ifndef ANDROID_MEDIARECORDERCLIENT_H
19 #define ANDROID_MEDIARECORDERCLIENT_H
20 
21 #include <media/AudioSystem.h>
22 #include <media/IMediaRecorder.h>
23 
24 #include <android/hardware/media/omx/1.0/IOmx.h>
25 
26 namespace android {
27 
28 struct MediaRecorderBase;
29 class MediaPlayerService;
30 class ICameraRecordingProxy;
31 
32 class MediaRecorderClient : public BnMediaRecorder
33 {
34     typedef ::android::hardware::media::omx::V1_0::IOmx IOmx;
35 
36     class ServiceDeathNotifier :
37             public IBinder::DeathRecipient,
38             public ::android::hardware::hidl_death_recipient
39     {
40     public:
41         ServiceDeathNotifier(
42                 const sp<IBinder>& service,
43                 const sp<IMediaRecorderClient>& listener,
44                 int which);
45         ServiceDeathNotifier(
46                 const sp<IOmx>& omx,
47                 const sp<IMediaRecorderClient>& listener,
48                 int which);
49         virtual ~ServiceDeathNotifier();
50         virtual void binderDied(const wp<IBinder>& who);
51         virtual void serviceDied(
52                 uint64_t cookie,
53                 const wp<::android::hidl::base::V1_0::IBase>& who);
54         void unlinkToDeath();
55     private:
56         int mWhich;
57         sp<IBinder> mService;
58         sp<IOmx> mOmx;
59         wp<IMediaRecorderClient> mListener;
60     };
61 
62     class AudioDeviceUpdatedNotifier: public AudioSystem::AudioDeviceCallback
63     {
64     public:
65         AudioDeviceUpdatedNotifier(const sp<IMediaRecorderClient>& listener);
66         virtual ~AudioDeviceUpdatedNotifier();
67         virtual void onAudioDeviceUpdate(
68                 audio_io_handle_t audioIo,
69                 audio_port_handle_t deviceId);
70     private:
71         wp<IMediaRecorderClient> mListener;
72     };
73 
74     void clearDeathNotifiers_l();
75 
76 public:
77     virtual     status_t   setCamera(const sp<hardware::ICamera>& camera,
78                                     const sp<ICameraRecordingProxy>& proxy);
79     virtual     status_t   setPreviewSurface(const sp<IGraphicBufferProducer>& surface);
80     virtual     status_t   setVideoSource(int vs);
81     virtual     status_t   setAudioSource(int as);
82     virtual     status_t   setOutputFormat(int of);
83     virtual     status_t   setVideoEncoder(int ve);
84     virtual     status_t   setAudioEncoder(int ae);
85     virtual     status_t   setOutputFile(int fd);
86     virtual     status_t   setNextOutputFile(int fd);
87     virtual     status_t   setVideoSize(int width, int height);
88     virtual     status_t   setVideoFrameRate(int frames_per_second);
89     virtual     status_t   setParameters(const String8& params);
90     virtual     status_t   setListener(
91                               const sp<IMediaRecorderClient>& listener);
92     virtual     status_t   setClientName(const String16& clientName);
93     virtual     status_t   prepare();
94     virtual     status_t   getMaxAmplitude(int* max);
95     virtual     status_t   getMetrics(Parcel* reply);
96     virtual     status_t   start();
97     virtual     status_t   stop();
98     virtual     status_t   reset();
99     virtual     status_t   pause();
100     virtual     status_t   resume();
101     virtual     status_t   init();
102     virtual     status_t   close();
103     virtual     status_t   release();
104     virtual     status_t   dump(int fd, const Vector<String16>& args);
105     virtual     status_t   setInputSurface(const sp<PersistentSurface>& surface);
106     virtual     sp<IGraphicBufferProducer> querySurfaceMediaSource();
107     virtual     status_t   setInputDevice(audio_port_handle_t deviceId);
108     virtual     status_t   getRoutedDeviceId(audio_port_handle_t* deviceId);
109     virtual     status_t   enableAudioDeviceCallback(bool enabled);
110     virtual     status_t   getActiveMicrophones(
111                               std::vector<media::MicrophoneInfo>* activeMicrophones);
112 
113 private:
114     friend class           MediaPlayerService;  // for accessing private constructor
115 
116                            MediaRecorderClient(
117                                    const sp<MediaPlayerService>& service,
118                                                                pid_t pid,
119                                                                const String16& opPackageName);
120     virtual                ~MediaRecorderClient();
121 
122     sp<ServiceDeathNotifier> mCameraDeathListener;
123     sp<ServiceDeathNotifier> mCodecDeathListener;
124     sp<AudioDeviceUpdatedNotifier> mAudioDeviceUpdatedNotifier;
125 
126     pid_t                  mPid;
127     Mutex                  mLock;
128     MediaRecorderBase      *mRecorder;
129     sp<MediaPlayerService> mMediaPlayerService;
130 };
131 
132 }; // namespace android
133 
134 #endif // ANDROID_MEDIARECORDERCLIENT_H
135